(uncountable) Widely cultivated cereal grass, typically Avena sativa. / (countable) Any of the numerous species, varieties, or cultivars of any of several similar grain plants in genus Avena.

(organic chemistry) Used to form the names of salts and esters of carboxylic acids e.g. benzoate, hexanoate

plural of oat

A mass of oat plants (genus Avena, especially Avena sativa). / Seeds of an oat plant, especially prepared as food.

A surname. / An unincorporated community in Reynolds County, Missouri, United States.

Oat groats that have been rolled into flat flakes under heavy rollers.

Arrhenatherum species / Avenula species / Danthonia californica, California oatgrass / Trisetum species

plural of oat grass

A milky liquid made from oats and used as a milk substitute, cooking ingredient or beverage.

(idiomatic) A film or novel depicting adventures of characters in the American Old West; a western.